Package org.hibernate.bytecode.cglib

Source Code of org.hibernate.bytecode.cglib.InstantiationOptimizerAdapter

/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors.  All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA  02110-1301  USA
*
*/
package org.hibernate.bytecode.cglib;

import org.hibernate.bytecode.ReflectionOptimizer;
import org.hibernate.repackage.cglib.reflect.FastClass;
import org.hibernate.InstantiationException;

import java.io.Serializable;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;

/**
* The {@link ReflectionOptimizer.InstantiationOptimizer} implementation for CGLIB
* which simply acts as an adpater to the {@link FastClass} class.
*
* @author Steve Ebersole
*/
public class InstantiationOptimizerAdapter implements ReflectionOptimizer.InstantiationOptimizer, Serializable {
  private FastClass fastClass;

  public InstantiationOptimizerAdapter(FastClass fastClass) {
    this.fastClass = fastClass;
  }

  public Object newInstance() {
    try {
      return fastClass.newInstance();
    }
    catch ( Throwable t ) {
      throw new InstantiationException(
          "Could not instantiate entity with CGLIB optimizer: ",
              fastClass.getJavaClass(),
              t
      );
    }
  }

  private void writeObject(ObjectOutputStream out) throws IOException {
    out.writeObject( fastClass.getJavaClass() );
  }

  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    Class beanClass = ( Class ) in.readObject();
    fastClass = FastClass.create( beanClass );
  }
}
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